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Old 10-06-2010, 01:29 PM
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is lt4 hot cam a HOT CAM

i have a 355 sbc, some guys told me the lt4 hot cam is a great street cam. im thinking of getting one.any advise.

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Old 10-06-2010, 03:33 PM
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On another forum, a fellow from Texas asked the same question. Here's my reply to him....
I don't know that it would be any better than a thousand other cams you might use for the same purpose. Here's the skinny on it though.....
Duration @0.050" 219/228
Lift w/1.5 rockers 0.492"/0.492"
Intake centerline 109 degrees ATDC
Exhaust centerline 115 degrees BTDC
Lobe separation angle 112 degrees
Intake opens -0.5 degrees BTDC
Intake closes 39.5 degrees ABDC
Exhaust opens 47 degrees BBDC
Exhaust closes 1 degree ATDC
Using the operating characteristics from a similar cam grind.....
RPM power range 1800-5800
Good idle, daily useage and off-road, towing, performance and fuel efficiency. 8.75 to 10.75 static compression ratio advised.
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Old 10-06-2010, 09:47 PM
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The Hot Cam comes standard in the ZZ430 crate engine. I have two of those ZZ430 is a 350 cubic inch crate engine that makes 430 horsepower and 430 pounds of torque. GM only released 430 of them. I have # 216 and the last one made ( #430 )





I like the camshaft. It pulls HARD and has a not radical lump to it. Some chop but not a LOT.

If you start out with the GM crate engine that makes 385 HP ... Part number # 12496769 and add just the Hot Cam and a set of roller rockers ... it is a 430 HP engine. That is 45 horsepower with the camshaft and rocker arm change.



But there are a good many camshafts that should do as well if not better. I suggest calling the camshaft manufacturer of your choice and give them the engines specs, your gear ratio and the weight of your vehicle and let them suggest a CAMSHAFT. They are pros at this and they want you to be HAPPY ... SO you tell your friends and then THEY will buy a camshaft.
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Old 10-07-2010, 07:05 AM
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A 430 crate engine- still in the crate!

Nevermind having a PAIR of 'em, you dog! Number 430 looks pretty damn good sitting in the duce, though.
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Old 10-07-2010, 08:33 AM
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Quote:
Originally Posted by cobalt327
A 430 crate engine- still in the crate!

Nevermind having a PAIR of 'em, you dog! Number 430 looks pretty damn good sitting in the duce, though.
Actually, #216 is in my 32 3W coupe now.





I actually bought #430 first ( when they first came out ) and drove it in the roadster for awhile. I was so impressed with #430, when I started on my 32 3W, I wanted another ZZ430 for it and found one in Texas. The wife and I drove out from the Carolinas to Dallas and bought #216. Recently I bought another one, in pieces. A young man won a ZZ430 in a raffle and installed it in his Nova ... but he blew it up within 2 weeks of getting the Nova on the road. I bought the blown up one. It needs a crankshaft and 2 connecting rods.
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Old 10-07-2010, 08:47 AM
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So, did you have to get on a waiting list for one of them, or was it just the "luck of the draw"? If so, what a neat break you got- not just that you have one of 430 (well, TWO or 430), but the last one off the line.

Leno can't even say that, but I believe he might have the first 572 (or something like that) in one of his cars. That said, give ME the last one over the first one, any day.

In any event, nice to see you've put them to such good use; Deuces rule.
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Old 10-07-2010, 06:39 PM
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I have a friend who was high up in the GM Race department ... and he knew which dealerships had which # engines and he made a phone call for me. The 216 was just found thru a GOOGLE search and bought.

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